Gemini 2.5 Flash PreviewvsGemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview is cheaper than Gemini 2.5 Flash Preview (thinking) at $0.15/M vs $0.175/M input tokens.
| Spec | Gemini 2.5 Flash Preview | Gemini 2.5 Flash Preview (thinking) |
|---|---|---|
| Input price | $0.15/M tokens | $0.175/M tokens |
| Output price | $0.6/M tokens | $3.5/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Apr 2025 |
Our Verdict
Gemini 2.5 Flash Preview
Gemini 2.5 Flash Preview (thinking)
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Flash Preview costs 5.8x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview
Input
$0.15
1.2× cheaper
Output
$0.60
5.8× cheaper
Gemini 2.5 Flash Preview (thinking)
Input
$0.17
Output
$3.50
Gemini 2.5 Flash Preview is cheaper on both: 1.2× input, 5.8× output.
Writing DNA
Style Comparison
Similarity
88%
Gemini 2.5 Flash Preview uses 8.8x more headings
Gemini 2.5 Flash Preview
Gemini 2.5 Flash Preview (thinking)
51%Vocabulary53%
15wSentence Length14w
0.70Hedging0.38
4.1Bold4.4
3.3Lists4.1
0.00Emoji0.00
0.09Headings0.00
0.24Transitions0.24
Based on 12 + 7 text responses
Research
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FAQ
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